FR0381 ***********************************************************************
FR0381  DESIGNATION -  U 1
FR0381  PID         -  FR0381
FR0381  STATE/COUNTY-  AZ/YAVAPAI
FR0381  USGS QUAD   -  NELSON (1985)
FR0381
FR0381                         *CURRENT SURVEY CONTROL
FR0381  ___________________________________________________________________
FR0381* NAD 83(1986)-  35 30 56.     (N)    113 19 08.     (W)     SCALED
FR0381* NAVD 88     -      1560.218  (meters)    5118.82   (feet)  POSTED
FR0381  ___________________________________________________________________
FR0381  GEOID HEIGHT-         -25.63  (meters)                     GEOID99
FR0381  DYNAMIC HT  -        1558.230 (meters)    5112.29  (feet)  COMP
FR0381  MODELED GRAV-     979,307.1   (mgal)                       NAVD 88
FR0381
FR0381  VERT ORDER  -  * POSTED, Code B , SEE BELOW
FR0381
FR0381.The horizontal coordinates were scaled from a topographic map and have
FR0381.an estimated accuracy of +/- 6 seconds.
FR0381
FR0381.The orthometric height was determined by differential leveling
FR0381.and adjusted by the National Geodetic Survey in 1992.
FR0381.* This is a POSTED BENCH MARK height.  Code B indicates a distribution
FR0381.rate of 1.1 thru 2.0 mm/km.
FR0381
FR0381.The geoid height was determined by GEOID99.
FR0381
FR0381.The dynamic height is computed by dividing the NAVD 88
FR0381.geopotential number by the normal gravity value computed on the
FR0381.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
FR0381.degrees latitude (G = 980.6199 gals.).
FR0381
FR0381.The modeled gravity was interpolated from observed gravity values.
FR0381
FR0381;                    North         East    Units  Estimated Accuracy
FR0381;SPC AZ C     -   501,670.       86,170.      MT  (+/- 180 meters Scaled)
FR0381
FR0381                          SUPERSEDED SURVEY CONTROL
FR0381
FR0381  NGVD 29     -      1559.231  (m)         5115.58   (f) ADJ UNCH    1 2
FR0381
FR0381.Superseded values are not recommended for survey control.
FR0381.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
FR0381.See file dsdata.txt to determine how the superseded data were derived.
FR0381
FR0381_MARKER: DB = BENCH MARK DISK
FR0381_SETTING: 36 = ABUTMENT
FR0381_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
FR0381
FR0381  HISTORY     - Date     Condition        Recov. By
FR0381  HISTORY     - UNK      MONUMENTED       CGS
FR0381  HISTORY     - 1942     GOOD             NGS
FR0381
FR0381                          STATION DESCRIPTION
FR0381
FR0381''DESCRIBED BY NATIONAL GEODETIC SURVEY 1942
FR0381''IN NELSON.
FR0381''AT NELSON, YAVAPAI COUNTY, NEAR THE ATCHISON, TOPEKA AND SANTA FE
FR0381''RAILWAY STATION, 4 POLES WEST OF MILEPOST 459, AT STEEL-GIRDER BRIDGE
FR0381''A 460, IN THE TOP OF THE NORTH END OF THE WEST ABUTMENT, 1 FOOT FROM
FR0381''THE FACE, AND 1 FOOT FROM THE END OF COPING STONE.  THE BOTTOM OF A
FR0381''SQUARE HOLE.